电力系统自动化2016，Vol.40Issue(10)：62-68,7.DOI:10.7500/AEPS20150617004
基于牵引负荷扰动的在线阻尼监测方法及其应用
Online Damping Monitoring Approach Based on Disturbances of Traction Load and Its Application
摘要
Abstract
Traction load has a characteristic of transient step impact and will set off weak oscillations in which the generators nearby participate in the accessed grid.Based on the characteristics of wide geographical distribution and fixed disturbance time of traction load,the online monitoring of the system damping corresponding to the particular easily stimulated mode is realized. The characteristic of the disturbing traction load is first analyzed based on the data measured from the supervisory control and data acquisition(SCADA)system.Then the mechanism of oscillations caused by step impact of traction load and the main influences are analyzed on a single-machine infinite-bus system and multi-machine power system,and the online monitoring steps are introduced.Finally,the monitoring units are selected and the correspondence between SCADA measured data of traction load and phasor measurement unit(PMU)measured data of observation units is analyzed in Henan power grid.The online damping monitoring of the system is realized based on the response to the traction load impact.关键词
牵引负荷/低频振荡/系统阻尼/在线监测Key words
traction load/low frequency oscillation/system damping/online monitoring引用本文复制引用
王成庆,余一平,张毅明,熊浩清,张浩,鞠平..基于牵引负荷扰动的在线阻尼监测方法及其应用[J].电力系统自动化,2016,40(10):62-68,7.基金项目
国家重点基础研究发展计划(973计划)资助项目(2013CB228204) （973计划）
国家自然科学基金资助项目(51207046)。 （51207046）
